Run: 2026-07-09-01KX40JW30HB81V47RETADN6YT

Run Details

Duration:
36.5s
Cost:
$0.044395
Provider:
OpenAI

Model input

System
You are an expert fiction writer. Always keep the following rules in mind: - Write in past tense and use General English spelling, grammar, and colloquialisms/slang. - Write in active voice - Always follow the "show, don't tell" principle. - Avoid adverbs and cliches and overused/commonly used phrases. Aim for fresh and original descriptions. - Convey events and story through dialogue. - Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. - Skip "he/she said said" dialogue tags and convey people's actions or face expressions through their speech - Avoid mushy dialog and descriptions, have dialogue always continue the action, never stall or add unnecessary fluff. Vary the descriptions to not repeat yourself. - Put dialogue on its own paragraph to separate scene and action. - Reduce indicators of uncertainty like "trying" or "maybe" When writing text: - NEVER conclude the scene on your own, follow the beat instructions very closely. - NEVER end with foreshadowing. - NEVER write further than what I prompt you with. - AVOID imagining possible endings, NEVER deviate from the instructions. - STOP EARLY if the continuation contains what was required in the instructions. You do not need to fill out the full amount of words possible.
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <codex> <character id="4412" name="Aurora Carter" aliases="Rory, Laila, Aurora, Carter, Malphora" pronouns="she/her" species="Human" storyRole="Protagonist"> <eyeColor>bright blue</eyeColor> <hair>straight shoulder-length black</hair> <height>5'6"</height> <age>25</age> <scar>small crescent-shaped scar on her left wrist from a childhood accident</scar> <description>Aurora, referred to by her friends as Rory, is cool-headed, intelligent, and known for quick out-of-the-box thinking.</description> <backstory>Born in Cardiff to an Irish barrister father (Brendan Carter) and Welsh teacher mother (Jennifer Carter née Ellis), Rory reluctantly pursued Pre-Law at Cardiff University. She fled to London at the behest of her childhood friend Eva after leaving an abusive ex named Evan. By day, Rory works part-time as a delivery person for Yu-Fei Cheung's Golden Empress restaurant. She lives in a flat above Silas' bar.</backstory> </character> <location id="861" name="The Fae Grove" aliases="Isolde's grove, Richmond grove, the Grove" realm="Earth (Fae-touched)"> <parkLocation>Richmond Park</parkLocation> <standingStones>ancient oak standing stones mark the boundary</standingStones> <timeBehavior>time moves differently — an hour inside can be minutes or days outside</timeBehavior> <flora>wildflowers bloom year-round</flora> <description>A hidden clearing that exists in a pocket between Earth and the Fae realm.</description> </location> <item id="2001" name="Heartstone Pendant" aliases="the pendant, Heartstone" type="Artifact" origin="Dymas"> <gemstoneColor>deep crimson</gemstoneColor> <chainMaterial>silver chain</chainMaterial> <size>roughly the size of a thumbnail</size> <behavior>pulses faintly with warmth when near a Hel portal</behavior> <glow>faint inner glow</glow> <description>Given to Aurora by an unknown benefactor.</description> </item> </codex> Continue the story using the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the horror genre. A character is alone in a strange, isolated place at night. They came here for a reason, but something feels off from the moment they arrive. The wrongness builds slowly — sounds that shouldn't be there, things that move at the edge of vision, a growing certainty that they are not alone. Build tension through restraint, not through gore. Use the codex entries above as your world reference for the character and setting. Only include the prose of the scene without any markdown or commentary. </instructions>

Model response

AI
Aurora slipped through the gap between two ancient oaks and stopped with one hand still on the bark. The trees stood where Richmond Park should have opened into a stretch of wet grass and bracken. Their trunks rose black and wide beneath a moonless sky, roots lifting out of the earth like knuckles. Beyond them lay the Grove. Wildflowers covered the clearing. They should not have survived November. Frost filmed the park paths outside. Aurora had seen it on the grass, silver under the lamps, and felt it crunch beneath her boots. Here, blue bells drooped beside foxgloves. White blossoms crowded the stones. A cluster of red flowers, each cup full of darkness, leaned towards her ankles. She took her hand from the oak. “Brilliant,” she muttered. “Exactly the sort of place people vanished in.” The pendant rested against her sternum beneath her jumper. It had begun to warm on the bus from Hammersmith. By the time she crossed the park, it had burned through the fabric of her shirt in slow pulses. Now it felt like a coal tucked under her skin. Aurora drew the silver chain free. The Heartstone lay in her palm, deep crimson and slick with its own dull light. It pulsed once. The wildflowers moved. Not in the wind. The air in the clearing held still, close and damp, carrying the green smell of snapped stems and old rain. Every flower turned at once, their thin heads angling towards the pendant. Aurora closed her fist around it. “Not creepy at all.” No answer came from the trees. She had not expected one. That was worse. Yu-Fei had sent her a text just before closing: Need you to take spare keys to Silas. Urgent. Meet at bar. Then, three minutes later, another message had arrived from Silas’ phone. Not the bar. Richmond. Grove. Bring pendant. Aurora had stared at it from the pavement outside Golden Empress while the kitchen clattered behind her. She had typed, Who is this? The reply had appeared at once. If you want answers about who gave it to you, come alone. She had spent twenty minutes deciding that anyone sensible would bin the phone, go home, lock the flat door, and call Eva. Then she had looked down at the crimson stone at her throat and caught herself walking towards the Tube. Now she stood in a clearing that did not belong to any map, with wet grass soaking through the seams of her boots. “Answers,” she said. “That was the sales pitch.” A sound came from somewhere beyond the standing stones. Metal scraped over stone. Aurora’s shoulders tightened. She turned slowly. The clearing ringed itself with thick oak trunks and grey standing stones, each one taller than a man. Moss grew over their faces in pale swirls. The stones had seemed scattered when she first entered. From where she stood now, they formed a rough circle. There had been a gap behind her. There was no gap now. She walked towards the nearest stones, keeping the pendant in her fist. Her torch beam jumped over roots and flowers. The light caught a stone face and flattened against it. A handprint marked the centre. Five long grooves cut through the moss. The stone around them looked melted, as if somebody had pressed a hot palm into wax. Aurora lifted the torch. More handprints covered the monolith. Some sat at shoulder height. Others climbed above her head. A few pressed low near the ground, small as children’s hands. They had all sunk into the stone from the outside. Her pulse tapped against the Heartstone. The metal scraping came again. This time it sounded closer. Aurora stepped back from the stone. “Silas?” A voice answered from her left. “Rory.” Silas’ voice. Low, rough, familiar enough to freeze the breath in her throat. She swung the torch towards it. Nothing stood among the flowers. No broad shoulders. No battered coat. No face half-hidden by that untidy dark hair he never bothered to fix. The beam found only a small rise in the earth and a patch of white flowers trembling without wind. “Where are you?” “Here.” The word came from behind her. Aurora spun. The clearing had changed. A path cut through the flowers, narrow as a game trail, leading between two oaks she did not remember seeing. Darkness filled the space beyond them. Not shadow. Something denser, a black surface that drank the torchlight around its edges. Her pendant jerked against her fingers. The crimson stone flashed. Aurora dropped it. It hung from the chain, swinging against her chest, hot enough that she hissed through her teeth. “Silas,” she called, louder now. “If that’s you, stop messing about.” A laugh moved through the woods. It began close to her ear and travelled outward, splitting into softer versions of itself among the trees. One laugh became six. Six became a crowd. Aurora clenched her jaw. Silas had once poured a drunk out of his bar by the collar because the man had grabbed a waitress. He had held a broken bottle to a debt collector’s throat without blinking. He did not hide in a haunted park and make voices. The message had not come from him. Something shifted in the dark path ahead. At first, Aurora saw only a pale strip between the trees. Then it bent. A face leaned out from behind one of the trunks. It had no features in the torchlight. Just a smooth white oval where a face should have been, tilted at an angle no neck should have held. Black hair spilled over one shoulder. Aurora did not move. The face slipped back behind the tree. A flower near her boot popped open. She looked down. The red cup had become an eye. Its petals folded around a wet black pupil. The pupil fixed on her. Aurora stamped on it. The flower gave beneath her heel with a soft crunch. Dark water splashed the leather of her boot. Every bloom in the clearing shut at once. The silence that followed pressed hard against her ears. She backed away from the path, searching for the oak gap. Trees crowded the ring. Stone after stone rose between them. Her torch beam skimmed over bark, moss, flowers. No opening. No way out. “Fine,” she whispered. “Fine. We don’t panic.” The thing in the trees copied her voice. “We don’t panic.” It sounded almost right. Aurora lifted her chin. “You’ve got the wrong woman.” A branch cracked. She aimed the torch at the noise. A figure stood ten feet away. It wore Silas’ coat. Rain darkened the wool. One hand hung from the sleeve, pale beneath long fingers. The figure faced away from her, head bowed. Its hair curled over the collar. “Silas,” Aurora said. The figure raised one arm and pointed at the ground. A phone lay in the flowers beside it. Its screen glowed. Aurora’s own number filled the display. The phone began to ring. The figure’s head turned. Not all the way. It moved in small, dry jerks until a strip of cheek showed over its shoulder. The cheek had split down the middle. Beneath it, teeth crowded in rows too neat and too white. Aurora ran. She did not pick a direction. Her body chose for her. She shoved through flowers, boots slipping on slick roots, torch beam bouncing across trunks and stone. Behind her, the ringing phone followed. It rang from the left. Then the right. Then inside the pocket of her coat. Aurora grabbed at herself as she ran. Her phone lay in her pocket, heavy and vibrating against her hip. She yanked it out. Silas’ name lit the screen. She nearly answered. Her thumb hovered over the green icon. Then Silas’ voice came from the trees behind her. “Don’t answer that.” She stopped. The phone kept ringing. Aurora stood bent over, one hand braced against her knee. Her breath came sharp and loud. The Heartstone burned at her chest. “Helpful,” she called into the dark. “You could’ve started with that.” No reply. Her phone screen flashed. Silas’ name vanished. Unknown Caller. The ringing stopped. A message appeared. LOOK UP. Aurora did not. Her gaze fixed on the screen. Her thumb shook once, then stilled. She deleted the message. Another arrived before the first had disappeared. LOOK UP, RORY. The flowers around her began to whisper. Not words. A rustle of tiny mouths working in the dark. Aurora backed into something hard. Stone. Cold soaked through her coat. She turned her head. The standing stone behind her had opened a crack down its centre. Darkness filled the split. A smell drifted from it: river mud, burnt hair, the stale sweetness of flowers left too long in a vase. A hand reached through. It was small, grey, and jointed wrong. Aurora ran her thumb over the crescent scar on her left wrist, once, hard enough to hurt. The old habit pulled her back into herself. Count the exits. Check the ground. Find the leverage. The stone circle had no break. The dark path had appeared when the pendant flared. The pendant reacted to Hel portals. Her eyes dropped to the Heartstone. It pulsed beneath her jumper, crimson light leaking through the weave. “You want this,” she said. The whispering stopped. Even the phone went silent in her hand. Aurora took the pendant chain over her head. The heat struck her palm. She swallowed a cry and held it up towards the cracked stone. The hand withdrew. Across the clearing, branches creaked. The figure in Silas’ coat stood between the trees again. This time it faced her. Its borrowed face had loosened. Skin hung in folds from a skull-shaped darkness, and its mouth opened wider than its jaw allowed. “Give it back,” it said in a dozen voices. Aurora kept the Heartstone raised. “You first.” The thing took a step. Flowers flattened beneath its boots. Its coat dragged across the ground, though it had no feet inside it. Aurora moved sideways along the standing stone. The crack widened. Darkness stirred within it, not empty but deep, full of the pressure of somewhere else. The pendant’s glow brightened. A narrow line of red appeared in the dark path between the trees. It ran along the ground like spilled light, then climbed the trunks on either side, sketching the outline of a doorway. The figure hissed. It came towards her. Aurora whipped the pendant through the air and threw it into the red-lit doorway. The Heartstone struck nothing. It vanished. The clearing screamed. No throat made the sound. Stone, bark, grass, flowers, the dark between every tree—everything tore open with one shriek. Aurora clapped her hands over her ears and dropped to one knee. The figure in Silas’ coat folded in on itself. Its arms snapped backwards. The coat emptied, collapsed, then filled again with a surge of black shapes no bigger than rats. They poured from the sleeves, the collar, the ruined opening of the mouth, scrambling over one another as they fled towards the doorway. The red light pulled them in. Aurora dragged herself upright. The crack in the standing stone widened until the whole monolith split with a sound like a gunshot. Wind rushed from the opening and tore at her hair. The doorway between the oaks deepened. Red light flickered inside it. Her pendant hung in that light. The silver chain floated as though caught underwater. Aurora lunged. Something seized her ankle. Cold fingers closed around her boot. She hit the ground, hands sinking into wet flowers. The thing beneath the stone pulled. Her body slid across the grass towards the black crack. Aurora twisted onto her back and kicked at the hand. Her heel struck bone. The fingers tightened. “Let go!” A face pushed from the darkness in the stone. Not the faceless white shape. Not Silas’ stolen smile. A woman’s face, pale beneath a curtain of dark hair. Her eyes had no whites. Only red light moved in them. “You brought it home,” the woman breathed. Aurora clawed at the grass. Flowers tore free in her fists. “That wasn’t the plan.” The woman smiled. “You always brought things home.” Aurora drove the point of her elbow into the stone edge, hauled herself forward, and grabbed the chain hanging in the doorway. The Heartstone hit her palm. Heat exploded through her hand. The woman’s grip broke. Aurora rolled away as the crack snapped shut. The standing stone slammed back into one piece, trapping the last grey fingers between its edges. They scraped for a moment, then went still. The doorway’s red outline shrank. Aurora scrambled to her feet and ran through it before it could disappear. Cold air hit her face. She stumbled onto frost-stiff grass beneath the bare branches of Richmond Park. Behind her, the two ancient oaks stood quiet and ordinary, their trunks separated by a strip of bramble. No flowers. No standing stones. No red light. Aurora stood with both hands braced on her thighs. Her lungs dragged air in ragged pulls. Her torch lay somewhere behind her. Her phone still gripped her fist, screen black. The Heartstone hung from her hand. Its crimson glow had faded to a dull ember. Then a text appeared on her phone. Silas. Where the hell are you?
created_at"2026-07-09T18:00:05.992Z" 7/9/2026, 6:00:05 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency814
moderation_latency(null)
generation_time36112
tokens_prompt1038
tokens_completion3577
native_tokens_prompt916
native_tokens_completion2807
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.044395
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_06cd447f314aadbc016a4fe1a6192c8197a626a20b9dd88132"
is_byokfalse
latency246
model_permaslug"openai/gpt-5.6-terra-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783620006-iuddj2M2A9FCEq9JKuwp"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620006-tg2e3LpGJfoFCwREACnN"
upstream_id"resp_06cd447f314aadbc016a4fe1a6192c8197a626a20b9dd88132"
total_cost0.044395
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags10
adverbTagCount0
adverbTags(empty)
dialogueSentences26
tagDensity0.385
leniency0.769
rawRatio0
effectiveRatio0
97.75% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2222
totalAiIsmAdverbs1
found
0
adverb"slowly"
count1
highlights
0"slowly"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
84.25% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2222
totalAiIsms7
found
0
word"pulsed"
count2
1
word"pulse"
count1
2
word"familiar"
count1
3
word"silence"
count1
4
word"whisper"
count1
5
word"flickered"
count1
highlights
0"pulsed"
1"pulse"
2"familiar"
3"silence"
4"whisper"
5"flickered"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"clenched jaw/fists"
count1
highlights
0"clenched her jaw"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences288
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount2
narrationSentences288
filterMatches(empty)
hedgeMatches
0"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences308
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen23
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2221
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions10
unquotedAttributions0
matches(empty)
64.49% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions73
wordCount2105
uniqueNames19
maxNameDensity1.71
worstName"Aurora"
maxWindowNameDensity3
worstWindowName"Aurora"
discoveredNames
Richmond3
Park2
Grove2
November1
Hammersmith1
Heartstone8
Need1
Silas3
Golden1
Empress1
Eva1
Tube1
Aurora36
Rain1
Caller1
Hel1
Darkness3
Stone3
Cold3
persons
0"Heartstone"
1"Silas"
2"Eva"
3"Aurora"
4"Rain"
5"Darkness"
6"Stone"
places
0"Richmond"
1"Park"
2"Hammersmith"
3"Golden"
4"Tube"
5"Hel"
globalScore0.645
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences158
glossingSentenceCount2
matches
0"felt like a coal tucked under her skin"
1"seemed scattered when she first entered"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.45
wordCount2221
matches
0"not empty but deep, full of the pressure of somewhere else"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences308
matches
0"deciding that anyone"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs198
mean11.22
std11.41
cv1.017
sampleLengths
018
140
24
355
47
511
638
710
824
93
1036
116
124
136
148
1521
1611
177
1823
196
2012
2122
2219
2323
248
259
264
276
2845
297
305
3130
325
3323
344
355
3631
376
385
395
406
411
426
431
442
4511
466
4743
483
491
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences288
matches
0"been, tilted"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs362
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences308
ratio0.003
matches
0"Stone, bark, grass, flowers, the dark between every tree—everything tore open with one shriek."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount315
adjectiveStacks0
stackExamples(empty)
adverbCount7
adverbRatio0.022222222222222223
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences308
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences308
mean7.21
std4.82
cv0.669
sampleLengths
018
117
218
35
44
56
66
718
86
95
1014
117
123
138
149
1510
1619
1710
186
1915
203
213
224
2320
2412
256
264
276
285
293
3017
311
323
3311
343
351
361
372
3817
396
406
4112
4222
4319
4423
453
465
479
484
493
44.48% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats17
diversityRatio0.262987012987013
totalSentences308
uniqueOpeners81
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount9
totalSentences262
matches
0"Then, three minutes later, another"
1"Then she had looked down"
2"Then it bent."
3"Just a smooth white oval"
4"Then the right."
5"Then inside the pocket of"
6"Even the phone went silent"
7"Only red light moved in"
8"Then a text appeared on"
ratio0.034
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount67
totalSentences262
matches
0"Their trunks rose black and"
1"They should not have survived"
2"She took her hand from"
3"It had begun to warm"
4"It pulsed once."
5"She had not expected one."
6"She had typed, Who is"
7"She had spent twenty minutes"
8"She turned slowly."
9"She walked towards the nearest"
10"Her torch beam jumped over"
11"They had all sunk into"
12"Her pulse tapped against the"
13"She swung the torch towards"
14"Her pendant jerked against her"
15"It hung from the chain,"
16"she called, louder now"
17"It began close to her"
18"He had held a broken"
19"He did not hide in"
ratio0.256
61.15% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount209
totalSentences262
matches
0"Aurora slipped through the gap"
1"The trees stood where Richmond"
2"Their trunks rose black and"
3"Wildflowers covered the clearing."
4"They should not have survived"
5"Frost filmed the park paths"
6"Aurora had seen it on"
7"Here, blue bells drooped beside"
8"A cluster of red flowers,"
9"She took her hand from"
10"The pendant rested against her"
11"It had begun to warm"
12"Aurora drew the silver chain"
13"The Heartstone lay in her"
14"It pulsed once."
15"The wildflowers moved."
16"The air in the clearing"
17"Every flower turned at once,"
18"Aurora closed her fist around"
19"She had not expected one."
ratio0.798
76.34% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount4
totalSentences262
matches
0"By the time she crossed"
1"Now it felt like a"
2"If you want answers about"
3"Now she stood in a"
ratio0.015
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences71
technicalSentenceCount1
matches
0"Something denser, a black surface that drank the torchlight around its edges."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags10
uselessAdditionCount0
matches(empty)
34.62% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags9
fancyCount3
fancyTags
0"she muttered (mutter)"
1"she whispered (whisper)"
2"the woman breathed (breathe)"
dialogueSentences26
tagDensity0.346
leniency0.692
rawRatio0.333
effectiveRatio0.231
92.1021%